diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/manifest.json b/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/manifest.json
index 021e2456218ab..7977e1327774a 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/manifest.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/manifest.json
@@ -17,7 +17,7 @@
         "validateOnSynth": false,
         "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-deploy-role-${AWS::AccountId}-${AWS::Region}",
         "cloudFormationExecutionRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-cfn-exec-role-${AWS::AccountId}-${AWS::Region}",
-        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/6349389904826547fbef7b1da49910603163bc715f57dfa69e357fdd01445133.json",
+        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/ee807aa71ff154dc6ddba790111314c925fd32e792ad9bb306d13310d02dc893.json",
         "requiresBootstrapStackVersion": 6,
         "bootstrapStackVersionSsmParameter": "/cdk-bootstrap/hnb659fds/version",
         "additionalDependencies": [
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/test-bucket-deployment-deployed-bucket.assets.json b/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/test-bucket-deployment-deployed-bucket.assets.json
index dcef927649b36..515f6fb612fd0 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/test-bucket-deployment-deployed-bucket.assets.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/test-bucket-deployment-deployed-bucket.assets.json
@@ -53,7 +53,7 @@
         }
       }
     },
-    "6349389904826547fbef7b1da49910603163bc715f57dfa69e357fdd01445133": {
+    "ee807aa71ff154dc6ddba790111314c925fd32e792ad9bb306d13310d02dc893": {
       "source": {
         "path": "test-bucket-deployment-deployed-bucket.template.json",
         "packaging": "file"
@@ -61,7 +61,7 @@
       "destinations": {
         "current_account-current_region": {
           "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
-          "objectKey": "6349389904826547fbef7b1da49910603163bc715f57dfa69e357fdd01445133.json",
+          "objectKey": "ee807aa71ff154dc6ddba790111314c925fd32e792ad9bb306d13310d02dc893.json",
           "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
         }
       }
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/test-bucket-deployment-deployed-bucket.template.json b/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/test-bucket-deployment-deployed-bucket.template.json
index 7c1a7daa4d37b..aa936fe1967fa 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/test-bucket-deployment-deployed-bucket.template.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-s3-deployment/test/integ.bucket-deployment-deployed-bucket.js.snapshot/test-bucket-deployment-deployed-bucket.template.json
@@ -432,6 +432,9 @@
    "ap-southeast-3": {
     "endpoint": "s3-website.ap-southeast-3.amazonaws.com"
    },
+   "ap-southeast-4": {
+    "endpoint": "s3-website.ap-southeast-4.amazonaws.com"
+   },
    "ca-central-1": {
     "endpoint": "s3-website.ca-central-1.amazonaws.com"
    },
diff --git a/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/manifest.json b/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/manifest.json
index a919c864911bf..ccaa85a3ed081 100644
--- a/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/manifest.json
+++ b/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/manifest.json
@@ -17,7 +17,7 @@
         "validateOnSynth": false,
         "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-deploy-role-${AWS::AccountId}-${AWS::Region}",
         "cloudFormationExecutionRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-cfn-exec-role-${AWS::AccountId}-${AWS::Region}",
-        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/a46e0d4b705cb918b722556b3452dcbd9e33671292604168c9d113b3e3788c02.json",
+        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/cf636658ec15133bceba498f25c92e3b2a42f090f11883a69d8fd68b873600a1.json",
         "requiresBootstrapStackVersion": 6,
         "bootstrapStackVersionSsmParameter": "/cdk-bootstrap/hnb659fds/version",
         "additionalDependencies": [
diff --git a/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/test-stack.assets.json b/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/test-stack.assets.json
index 56f2a1c6a4689..87af5de455d97 100644
--- a/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/test-stack.assets.json
+++ b/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/test-stack.assets.json
@@ -1,7 +1,7 @@
 {
   "version": "34.0.0",
   "files": {
-    "a46e0d4b705cb918b722556b3452dcbd9e33671292604168c9d113b3e3788c02": {
+    "cf636658ec15133bceba498f25c92e3b2a42f090f11883a69d8fd68b873600a1": {
       "source": {
         "path": "test-stack.template.json",
         "packaging": "file"
@@ -9,7 +9,7 @@
       "destinations": {
         "current_account-current_region": {
           "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
-          "objectKey": "a46e0d4b705cb918b722556b3452dcbd9e33671292604168c9d113b3e3788c02.json",
+          "objectKey": "cf636658ec15133bceba498f25c92e3b2a42f090f11883a69d8fd68b873600a1.json",
           "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
         }
       }
diff --git a/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/test-stack.template.json b/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/test-stack.template.json
index 32543d476e1a7..1aeb03a2cc954 100644
--- a/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/test-stack.template.json
+++ b/packages/@aws-cdk/aws-iot-actions-alpha/test/kinesis-firehose/integ.firehose-put-record-action.js.snapshot/test-stack.template.json
@@ -260,6 +260,9 @@
    "ap-southeast-3": {
     "FirehoseCidrBlock": "108.136.221.64/27"
    },
+   "ap-southeast-4": {
+    "FirehoseCidrBlock": "16.50.161.128/27"
+   },
    "ca-central-1": {
     "FirehoseCidrBlock": "35.183.92.128/27"
    },
diff --git a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/aws-cdk-firehose-delivery-stream.assets.json b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/aws-cdk-firehose-delivery-stream.assets.json
index eae7ea9f9d10d..106cd93b4da13 100644
--- a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/aws-cdk-firehose-delivery-stream.assets.json
+++ b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/aws-cdk-firehose-delivery-stream.assets.json
@@ -1,7 +1,7 @@
 {
   "version": "34.0.0",
   "files": {
-    "8fba9094634baf9d67159e2a9b92ca27c6838026b5c8064012d1decf8d4b398b": {
+    "640b28d2373feb2deadbb687c33440f275591afdfb429e490f7bae063b146cc5": {
       "source": {
         "path": "aws-cdk-firehose-delivery-stream.template.json",
         "packaging": "file"
@@ -9,7 +9,7 @@
       "destinations": {
         "current_account-current_region": {
           "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
-          "objectKey": "8fba9094634baf9d67159e2a9b92ca27c6838026b5c8064012d1decf8d4b398b.json",
+          "objectKey": "640b28d2373feb2deadbb687c33440f275591afdfb429e490f7bae063b146cc5.json",
           "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
         }
       }
diff --git a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/aws-cdk-firehose-delivery-stream.template.json b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/aws-cdk-firehose-delivery-stream.template.json
index 36dbe0b715961..5b37e723ccdf8 100644
--- a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/aws-cdk-firehose-delivery-stream.template.json
+++ b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/aws-cdk-firehose-delivery-stream.template.json
@@ -223,6 +223,9 @@
    "ap-southeast-3": {
     "FirehoseCidrBlock": "108.136.221.64/27"
    },
+   "ap-southeast-4": {
+    "FirehoseCidrBlock": "16.50.161.128/27"
+   },
    "ca-central-1": {
     "FirehoseCidrBlock": "35.183.92.128/27"
    },
diff --git a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/manifest.json b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/manifest.json
index b7c3116ba3dae..5c6ee86cd16ad 100644
--- a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/manifest.json
+++ b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.js.snapshot/manifest.json
@@ -17,7 +17,7 @@
         "validateOnSynth": false,
         "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-deploy-role-${AWS::AccountId}-${AWS::Region}",
         "cloudFormationExecutionRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-cfn-exec-role-${AWS::AccountId}-${AWS::Region}",
-        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/8fba9094634baf9d67159e2a9b92ca27c6838026b5c8064012d1decf8d4b398b.json",
+        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/640b28d2373feb2deadbb687c33440f275591afdfb429e490f7bae063b146cc5.json",
         "requiresBootstrapStackVersion": 6,
         "bootstrapStackVersionSsmParameter": "/cdk-bootstrap/hnb659fds/version",
         "additionalDependencies": [
diff --git a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/aws-cdk-firehose-delivery-stream-source-stream.assets.json b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/aws-cdk-firehose-delivery-stream-source-stream.assets.json
index 09f6487ca5bb4..0978a157ea39d 100644
--- a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/aws-cdk-firehose-delivery-stream-source-stream.assets.json
+++ b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/aws-cdk-firehose-delivery-stream-source-stream.assets.json
@@ -1,7 +1,7 @@
 {
   "version": "34.0.0",
   "files": {
-    "70817da4cfd69b3c985e012badbcbafc6ce5d761acf9456c3a4dc31b1af29a20": {
+    "fabdaa202a85f04a6691c0ef240a5c50b959db08f877fe728c420ad4e86f6c3d": {
       "source": {
         "path": "aws-cdk-firehose-delivery-stream-source-stream.template.json",
         "packaging": "file"
@@ -9,7 +9,7 @@
       "destinations": {
         "current_account-current_region": {
           "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
-          "objectKey": "70817da4cfd69b3c985e012badbcbafc6ce5d761acf9456c3a4dc31b1af29a20.json",
+          "objectKey": "fabdaa202a85f04a6691c0ef240a5c50b959db08f877fe728c420ad4e86f6c3d.json",
           "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
         }
       }
diff --git a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/aws-cdk-firehose-delivery-stream-source-stream.template.json b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/aws-cdk-firehose-delivery-stream-source-stream.template.json
index cf2517725e779..88b0f1cefe44e 100644
--- a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/aws-cdk-firehose-delivery-stream-source-stream.template.json
+++ b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/aws-cdk-firehose-delivery-stream-source-stream.template.json
@@ -239,6 +239,9 @@
    "ap-southeast-3": {
     "FirehoseCidrBlock": "108.136.221.64/27"
    },
+   "ap-southeast-4": {
+    "FirehoseCidrBlock": "16.50.161.128/27"
+   },
    "ca-central-1": {
     "FirehoseCidrBlock": "35.183.92.128/27"
    },
diff --git a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/manifest.json b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/manifest.json
index 90332c1072100..68fb1f87c01ca 100644
--- a/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/manifest.json
+++ b/packages/@aws-cdk/aws-kinesisfirehose-alpha/test/integ.delivery-stream.source-stream.js.snapshot/manifest.json
@@ -17,7 +17,7 @@
         "validateOnSynth": false,
         "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-deploy-role-${AWS::AccountId}-${AWS::Region}",
         "cloudFormationExecutionRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-cfn-exec-role-${AWS::AccountId}-${AWS::Region}",
-        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/70817da4cfd69b3c985e012badbcbafc6ce5d761acf9456c3a4dc31b1af29a20.json",
+        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/fabdaa202a85f04a6691c0ef240a5c50b959db08f877fe728c420ad4e86f6c3d.json",
         "requiresBootstrapStackVersion": 6,
         "bootstrapStackVersionSsmParameter": "/cdk-bootstrap/hnb659fds/version",
         "additionalDependencies": [
diff --git a/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/aws-cdk-firehose-delivery-stream-s3-all-properties.assets.json b/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/aws-cdk-firehose-delivery-stream-s3-all-properties.assets.json
index 8f35533f1bf46..9d16e71c2475d 100644
--- a/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/aws-cdk-firehose-delivery-stream-s3-all-properties.assets.json
+++ b/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/aws-cdk-firehose-delivery-stream-s3-all-properties.assets.json
@@ -27,7 +27,7 @@
         }
       }
     },
-    "2e68d40654fd30f686c52f4843e72440d248b6cb187f4695b191a38d0ef61598": {
+    "9ac5268230e454afd58b6cf9612aa29b3d11789a5e7ef26a9825818b68b7db5e": {
       "source": {
         "path": "aws-cdk-firehose-delivery-stream-s3-all-properties.template.json",
         "packaging": "file"
@@ -35,7 +35,7 @@
       "destinations": {
         "current_account-current_region": {
           "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
-          "objectKey": "2e68d40654fd30f686c52f4843e72440d248b6cb187f4695b191a38d0ef61598.json",
+          "objectKey": "9ac5268230e454afd58b6cf9612aa29b3d11789a5e7ef26a9825818b68b7db5e.json",
           "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
         }
       }
diff --git a/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/aws-cdk-firehose-delivery-stream-s3-all-properties.template.json b/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/aws-cdk-firehose-delivery-stream-s3-all-properties.template.json
index 4016b99fcd513..242dfc806a218 100644
--- a/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/aws-cdk-firehose-delivery-stream-s3-all-properties.template.json
+++ b/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/aws-cdk-firehose-delivery-stream-s3-all-properties.template.json
@@ -729,6 +729,9 @@
    "ap-southeast-3": {
     "FirehoseCidrBlock": "108.136.221.64/27"
    },
+   "ap-southeast-4": {
+    "FirehoseCidrBlock": "16.50.161.128/27"
+   },
    "ca-central-1": {
     "FirehoseCidrBlock": "35.183.92.128/27"
    },
diff --git a/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/manifest.json b/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/manifest.json
index 1adda7f94d22b..1b72143f72bb4 100644
--- a/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/manifest.json
+++ b/packages/@aws-cdk/aws-kinesisfirehose-destinations-alpha/test/integ.s3-bucket.lit.js.snapshot/manifest.json
@@ -17,7 +17,7 @@
         "validateOnSynth": false,
         "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-deploy-role-${AWS::AccountId}-${AWS::Region}",
         "cloudFormationExecutionRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-cfn-exec-role-${AWS::AccountId}-${AWS::Region}",
-        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/2e68d40654fd30f686c52f4843e72440d248b6cb187f4695b191a38d0ef61598.json",
+        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/9ac5268230e454afd58b6cf9612aa29b3d11789a5e7ef26a9825818b68b7db5e.json",
         "requiresBootstrapStackVersion": 6,
         "bootstrapStackVersionSsmParameter": "/cdk-bootstrap/hnb659fds/version",
         "additionalDependencies": [
diff --git a/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts b/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts
index c0069bcee29a8..e05a74dc24702 100644
--- a/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts
+++ b/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts
@@ -9,6 +9,7 @@ export const AWS_CDK_METADATA = new Set([
   // 'ap-south-2',
   'ap-southeast-1',
   'ap-southeast-2',
+  'ap-southeast-4',
   'ca-central-1',
   'cn-north-1',
   'cn-northwest-1',
@@ -50,7 +51,7 @@ export const ROUTE_53_BUCKET_WEBSITE_ZONE_IDS: { [region: string]: string } = {
   'ap-southeast-1': 'Z3O0J2DXBE1FTB',
   'ap-southeast-2': 'Z1WCIGYICN2BYD',
   'ap-southeast-3': 'Z01846753K324LI26A3VV',
-  // 'ap-southeast-4': 'Z0312387243XT5FE14WFO',
+  'ap-southeast-4': 'Z0312387243XT5FE14WFO',
   'ca-central-1': 'Z1QDHH18159H29',
   'cn-north-1': 'Z5CN8UMXT92WN',
   'cn-northwest-1': 'Z282HJ1KT0DH03',
@@ -507,6 +508,7 @@ export const FIREHOSE_CIDR_BLOCKS: { [region: string]: string } = {
   'ap-southeast-1': '13.228.64.192',
   'ap-southeast-2': '13.210.67.224',
   'ap-southeast-3': '108.136.221.64',
+  'ap-southeast-4': '16.50.161.128',
   'ca-central-1': '35.183.92.128',
   'cn-north-1': '52.81.151.32',
   'cn-northwest-1': '161.189.23.64',
@@ -600,6 +602,7 @@ const ADOT_LAMBDA_LAYER_JAVA_SDK_ARNS: { [version: string]: { [arch: string]: {
       'ap-south-2': 'arn:aws:lambda:ap-south-2:901920570463:layer:aws-otel-java-wrapper-amd64-ver-1-28-1:1',
       'ap-southeast-1': 'arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-java-wrapper-amd64-ver-1-28-1:1',
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:901920570463:layer:aws-otel-java-wrapper-amd64-ver-1-28-1:1',
+      'ap-southeast-4': 'arn:aws:lambda:ap-southeast-4:901920570463:layer:aws-otel-java-wrapper-amd64-ver-1-28-1:1',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:901920570463:layer:aws-otel-java-wrapper-amd64-ver-1-28-1:1',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:901920570463:layer:aws-otel-java-wrapper-amd64-ver-1-28-1:1',
       'eu-north-1': 'arn:aws:lambda:eu-north-1:901920570463:layer:aws-otel-java-wrapper-amd64-ver-1-28-1:1',
@@ -621,6 +624,7 @@ const ADOT_LAMBDA_LAYER_JAVA_SDK_ARNS: { [version: string]: { [arch: string]: {
       'ap-south-2': 'arn:aws:lambda:ap-south-2:901920570463:layer:aws-otel-java-wrapper-arm64-ver-1-28-1:1',
       'ap-southeast-1': 'arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-java-wrapper-arm64-ver-1-28-1:1',
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:901920570463:layer:aws-otel-java-wrapper-arm64-ver-1-28-1:1',
+      'ap-southeast-4': 'arn:aws:lambda:ap-southeast-4:901920570463:layer:aws-otel-java-wrapper-arm64-ver-1-28-1:1',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:901920570463:layer:aws-otel-java-wrapper-arm64-ver-1-28-1:1',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:901920570463:layer:aws-otel-java-wrapper-arm64-ver-1-28-1:1',
       'eu-north-1': 'arn:aws:lambda:eu-north-1:901920570463:layer:aws-otel-java-wrapper-arm64-ver-1-28-1:1',
@@ -931,6 +935,7 @@ const ADOT_LAMBDA_LAYER_JAVA_AUTO_INSTRUMENTATION_ARNS: {
       'ap-south-2': 'arn:aws:lambda:ap-south-2:901920570463:layer:aws-otel-java-agent-amd64-ver-1-28-1:1',
       'ap-southeast-1': 'arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-java-agent-amd64-ver-1-28-1:1',
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:901920570463:layer:aws-otel-java-agent-amd64-ver-1-28-1:1',
+      'ap-southeast-4': 'arn:aws:lambda:ap-southeast-4:901920570463:layer:aws-otel-java-agent-amd64-ver-1-28-1:1',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:901920570463:layer:aws-otel-java-agent-amd64-ver-1-28-1:1',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:901920570463:layer:aws-otel-java-agent-amd64-ver-1-28-1:1',
       'eu-north-1': 'arn:aws:lambda:eu-north-1:901920570463:layer:aws-otel-java-agent-amd64-ver-1-28-1:1',
@@ -952,6 +957,7 @@ const ADOT_LAMBDA_LAYER_JAVA_AUTO_INSTRUMENTATION_ARNS: {
       'ap-south-2': 'arn:aws:lambda:ap-south-2:901920570463:layer:aws-otel-java-agent-arm64-ver-1-28-1:1',
       'ap-southeast-1': 'arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-java-agent-arm64-ver-1-28-1:1',
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:901920570463:layer:aws-otel-java-agent-arm64-ver-1-28-1:1',
+      'ap-southeast-4': 'arn:aws:lambda:ap-southeast-4:901920570463:layer:aws-otel-java-agent-arm64-ver-1-28-1:1',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:901920570463:layer:aws-otel-java-agent-arm64-ver-1-28-1:1',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:901920570463:layer:aws-otel-java-agent-arm64-ver-1-28-1:1',
       'eu-north-1': 'arn:aws:lambda:eu-north-1:901920570463:layer:aws-otel-java-agent-arm64-ver-1-28-1:1',
@@ -1260,6 +1266,7 @@ const ADOT_LAMBDA_LAYER_JAVASCRIPT_SDK_ARNS: { [version: string]: { [arch: strin
       'ap-south-2': 'arn:aws:lambda:ap-south-2:901920570463:layer:aws-otel-nodejs-amd64-ver-1-15-0:2',
       'ap-southeast-1': 'arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-nodejs-amd64-ver-1-15-0:2',
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:901920570463:layer:aws-otel-nodejs-amd64-ver-1-15-0:2',
+      'ap-southeast-4': 'arn:aws:lambda:ap-southeast-4:901920570463:layer:aws-otel-nodejs-amd64-ver-1-15-0:2',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:901920570463:layer:aws-otel-nodejs-amd64-ver-1-15-0:2',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:901920570463:layer:aws-otel-nodejs-amd64-ver-1-15-0:2',
       'eu-north-1': 'arn:aws:lambda:eu-north-1:901920570463:layer:aws-otel-nodejs-amd64-ver-1-15-0:2',
@@ -1281,6 +1288,7 @@ const ADOT_LAMBDA_LAYER_JAVASCRIPT_SDK_ARNS: { [version: string]: { [arch: strin
       'ap-south-2': 'arn:aws:lambda:ap-south-2:901920570463:layer:aws-otel-nodejs-arm64-ver-1-15-0:2',
       'ap-southeast-1': 'arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-nodejs-arm64-ver-1-15-0:2',
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:901920570463:layer:aws-otel-nodejs-arm64-ver-1-15-0:2',
+      'ap-southeast-4': 'arn:aws:lambda:ap-southeast-4:901920570463:layer:aws-otel-nodejs-arm64-ver-1-15-0:2',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:901920570463:layer:aws-otel-nodejs-arm64-ver-1-15-0:2',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:901920570463:layer:aws-otel-nodejs-arm64-ver-1-15-0:2',
       'eu-north-1': 'arn:aws:lambda:eu-north-1:901920570463:layer:aws-otel-nodejs-arm64-ver-1-15-0:2',
@@ -1551,6 +1559,7 @@ const ADOT_LAMBDA_LAYER_PYTHON_SDK_ARNS: { [version: string]: { [arch: string]:
       'ap-south-2': 'arn:aws:lambda:ap-south-2:901920570463:layer:aws-otel-python-amd64-ver-1-19-0:2',
       'ap-southeast-1': 'arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-python-amd64-ver-1-19-0:2',
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:901920570463:layer:aws-otel-python-amd64-ver-1-19-0:2',
+      'ap-southeast-4': 'arn:aws:lambda:ap-southeast-4:901920570463:layer:aws-otel-python-amd64-ver-1-19-0:2',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:901920570463:layer:aws-otel-python-amd64-ver-1-19-0:2',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:901920570463:layer:aws-otel-python-amd64-ver-1-19-0:2',
       'eu-north-1': 'arn:aws:lambda:eu-north-1:901920570463:layer:aws-otel-python-amd64-ver-1-19-0:2',
@@ -1572,6 +1581,7 @@ const ADOT_LAMBDA_LAYER_PYTHON_SDK_ARNS: { [version: string]: { [arch: string]:
       'ap-south-2': 'arn:aws:lambda:ap-south-2:901920570463:layer:aws-otel-python-arm64-ver-1-19-0:2',
       'ap-southeast-1': 'arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-python-arm64-ver-1-19-0:2',
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:901920570463:layer:aws-otel-python-arm64-ver-1-19-0:2',
+      'ap-southeast-4': 'arn:aws:lambda:ap-southeast-4:901920570463:layer:aws-otel-python-arm64-ver-1-19-0:2',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:901920570463:layer:aws-otel-python-arm64-ver-1-19-0:2',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:901920570463:layer:aws-otel-python-arm64-ver-1-19-0:2',
       'eu-north-1': 'arn:aws:lambda:eu-north-1:901920570463:layer:aws-otel-python-arm64-ver-1-19-0:2',
@@ -1842,6 +1852,7 @@ const ADOT_LAMBDA_LAYER_GENERIC_ARNS: { [version: string]: { [arch: string]: { [
       'ap-south-2': 'arn:aws:lambda:ap-south-2:901920570463:layer:aws-otel-collector-amd64-ver-0-82-0:1',
       'ap-southeast-1': 'arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-collector-amd64-ver-0-82-0:1',
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:901920570463:layer:aws-otel-collector-amd64-ver-0-82-0:1',
+      'ap-southeast-4': 'arn:aws:lambda:ap-southeast-4:901920570463:layer:aws-otel-collector-amd64-ver-0-82-0:1',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:901920570463:layer:aws-otel-collector-amd64-ver-0-82-0:1',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:901920570463:layer:aws-otel-collector-amd64-ver-0-82-0:1',
       'eu-north-1': 'arn:aws:lambda:eu-north-1:901920570463:layer:aws-otel-collector-amd64-ver-0-82-0:1',
@@ -1863,6 +1874,7 @@ const ADOT_LAMBDA_LAYER_GENERIC_ARNS: { [version: string]: { [arch: string]: { [
       'ap-south-2': 'arn:aws:lambda:ap-south-2:901920570463:layer:aws-otel-collector-arm64-ver-0-82-0:1',
       'ap-southeast-1': 'arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-collector-arm64-ver-0-82-0:1',
       'ap-southeast-2': 'arn:aws:lambda:ap-southeast-2:901920570463:layer:aws-otel-collector-arm64-ver-0-82-0:1',
+      'ap-southeast-4': 'arn:aws:lambda:ap-southeast-4:901920570463:layer:aws-otel-collector-arm64-ver-0-82-0:1',
       'ca-central-1': 'arn:aws:lambda:ca-central-1:901920570463:layer:aws-otel-collector-arm64-ver-0-82-0:1',
       'eu-central-1': 'arn:aws:lambda:eu-central-1:901920570463:layer:aws-otel-collector-arm64-ver-0-82-0:1',
       'eu-north-1': 'arn:aws:lambda:eu-north-1:901920570463:layer:aws-otel-collector-arm64-ver-0-82-0:1',
diff --git a/packages/aws-cdk-lib/region-info/lib/aws-entities.ts b/packages/aws-cdk-lib/region-info/lib/aws-entities.ts
index e135fea6bd57c..f0b336f322c15 100644
--- a/packages/aws-cdk-lib/region-info/lib/aws-entities.ts
+++ b/packages/aws-cdk-lib/region-info/lib/aws-entities.ts
@@ -61,6 +61,7 @@ export const AWS_REGIONS_AND_RULES: readonly (string | symbol)[] = [
   'ap-south-2', // Asia Pacific (Hyderabad)
   'eu-central-2', // Europe (Zurich)
   'il-central-1', // Israel (Tel Aviv)
+  'ap-southeast-4', // Asia Pacific (Melbourne)
 ];
 
 /**
diff --git a/packages/aws-cdk-lib/region-info/test/__snapshots__/region-info.test.ts.snap b/packages/aws-cdk-lib/region-info/test/__snapshots__/region-info.test.ts.snap
index 661a195e2e10b..9d26dd7827f9a 100644
--- a/packages/aws-cdk-lib/region-info/test/__snapshots__/region-info.test.ts.snap
+++ b/packages/aws-cdk-lib/region-info/test/__snapshots__/region-info.test.ts.snap
@@ -372,6 +372,43 @@ exports[`built-in data is correct 1`] = `
     },
     "vpcEndPointServiceNamePrefix": "com.amazonaws.vpce",
   },
+  "ap-southeast-4": {
+    "cdkMetadataResourceAvailable": true,
+    "domainSuffix": "amazonaws.com",
+    "lambdaInsightsArmVersions": {
+      "1.0.119.0": undefined,
+      "1.0.135.0": undefined,
+      "1.0.229.0": undefined,
+    },
+    "lambdaInsightsVersions": {
+      "1.0.119.0": undefined,
+      "1.0.135.0": undefined,
+      "1.0.143.0": undefined,
+      "1.0.178.0": undefined,
+      "1.0.229.0": undefined,
+      "1.0.54.0": undefined,
+      "1.0.86.0": undefined,
+      "1.0.89.0": undefined,
+      "1.0.98.0": undefined,
+    },
+    "partition": "aws",
+    "s3StaticWebsiteEndpoint": "s3-website.ap-southeast-4.amazonaws.com",
+    "servicePrincipals": {
+      "application-autoscaling": "application-autoscaling.amazonaws.com",
+      "autoscaling": "autoscaling.amazonaws.com",
+      "codedeploy": "codedeploy.ap-southeast-4.amazonaws.com",
+      "ec2": "ec2.amazonaws.com",
+      "events": "events.amazonaws.com",
+      "lambda": "lambda.amazonaws.com",
+      "logs": "logs.ap-southeast-4.amazonaws.com",
+      "s3": "s3.amazonaws.com",
+      "sns": "sns.amazonaws.com",
+      "sqs": "sqs.amazonaws.com",
+      "ssm": "ssm.amazonaws.com",
+      "states": "states.ap-southeast-4.amazonaws.com",
+    },
+    "vpcEndPointServiceNamePrefix": "com.amazonaws.vpce",
+  },
   "ca-central-1": {
     "cdkMetadataResourceAvailable": true,
     "domainSuffix": "amazonaws.com",